Puritas mask (kf94)reusable mask 10times =2ea

puritas3D fold mask is upgrade   kf94  mask (protect oil bace virus)

only mask for infection control that was born with nanobiotechnoligy

antimicrobial fabric 

I have to throw away expensive masks and day and have be very careful when talking now you don't need to pay so much attention and cost to manage infection

blame antimicrobial multi times for mask !!

we can use it several times with confidence of infection control until it's filter is damaged 

EPA certificate !!!